MSS2707A-T: 4 1/2″ Surface Mount High Security Triple Bias Magnetic Contact (Interlogix P/N 2707A)
The Model MSS2707A-T High Security Surface Mount Magnetic Contact is a SPDT switch with Triple Bias reeds. This magnetic contact also comes with a magnetic and pry tamper loop which will trigger the alarm if an external magnet is used to try to defeat the switch or the switch is removed from the door. There are six color coded wires. The MSS2707A-T is a low cost alternative to other high security contacts on the market and is used in government and high security commercial facilities around the world.